| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 900.37 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 1222.63 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1201.43 | USD | 20251205 |
| Sinopec | China national standards | MT | 1229.7 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 989.41 | USD | 20251205 |
| Jinan Qi Mat | China national standards | MT | 908.85 | USD | 20251205 |
| Shandong Yuhuang Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 1031.82 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 1159.03 | USD | 20251205 |